Subscribe to the Real Time YouTube: Bill Maher welcomes astrophysicist Neil DeGrasse Tyson to discuss NASAs recent discovery of .\r
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Subscribe to the Real Time YouTube: Bill Maher and his guests – David Spade, Rep. Maxine Waters, Grover Norquist and Roger Stone .\r
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Subscribe to the Real Time YouTube: Bill Maher and his guests – Richard Dawkins, Angela Rye, Adam Gopnik, Matt Welch and Dr. Neil .